Hard drug users know this, after the euphoric or energizing effects of their favourite substances have ceased to appear, a difficult period begins when the bare reality recovers its rights: coming down, hard.

For the myth of the driverless vehicle that many in the automotive industry have been shooting up with in recent years, the coming down from the fix began in 2019 and the story telling of the five-levels road map, which only raised problems of tempo, is in a bad way.
The take-off no longer seems so inevitable. Fundraising will prove more difficult and the terror that the supporters of the autonomous revolution used to exert on central or local authorities may well calm down: the fields of experimentation and subsidies will be more difficult to find.